Solicitiation Number N6660425R0468 is released and is attached as part of this notice. The Naval Undersea Warfare Center, Division Newport (NUWCDIVNPT) has a requirement for a manufacturer to document, manufacture, test, package, and deliver TR-302D and TR-355 First Article and Production transducers using a build-to-performance specification approach that meet the performance requirements of the TR-302D and TR-355 transducer, respectively as well as build-to-print spare parts as specified in the solicitation.